[ 
https://issues.apache.org/jira/browse/HIVE-18421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16362777#comment-16362777
 ] 

Hive QA commented on HIVE-18421:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12910346/HIVE-18421.08.patch

{color:green}SUCCESS:{color} +1 due to 5 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 21 failed/errored test(s), 13853 tests 
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestAccumuloCliDriver.testCliDriver[accumulo_queries]
 (batchId=241)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[annotate_stats_filter] 
(batchId=9)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[mapjoin_hook] 
(batchId=13)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[ppd_join5] (batchId=36)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[row__id] (batchId=79)
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver[encryption_move_tbl]
 (batchId=175)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[bucket_map_join_tez1]
 (batchId=172)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[insert_values_orig_table_use_metadata]
 (batchId=167)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[llap_acid] 
(batchId=171)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[llap_acid_fast]
 (batchId=162)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[resourceplan]
 (batchId=164)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[results_cache_1]
 (batchId=168)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[sysdb] 
(batchId=161)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[spark_opt_shuffle_serde]
 (batchId=180)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[ppd_join5] 
(batchId=122)
org.apache.hadoop.hive.cli.TestSparkPerfCliDriver.testCliDriver[query1] 
(batchId=251)
org.apache.hadoop.hive.cli.control.TestDanglingQOuts.checkDanglingQOut 
(batchId=222)
org.apache.hive.beeline.cli.TestHiveCli.testNoErrorDB (batchId=188)
org.apache.hive.jdbc.TestSSL.testConnectionMismatch (batchId=235)
org.apache.hive.jdbc.TestSSL.testConnectionWrongCertCN (batchId=235)
org.apache.hive.jdbc.TestSSL.testMetastoreConnectionWrongCertCN (batchId=235)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/9193/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/9193/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-9193/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 21 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12910346 - PreCommit-HIVE-Build

> Vectorized execution handles overflows in a different manner than 
> non-vectorized execution
> ------------------------------------------------------------------------------------------
>
>                 Key: HIVE-18421
>                 URL: https://issues.apache.org/jira/browse/HIVE-18421
>             Project: Hive
>          Issue Type: Bug
>          Components: Vectorization
>    Affects Versions: 2.1.1, 2.2.0, 3.0.0, 2.3.2
>            Reporter: Vihang Karajgaonkar
>            Assignee: Vihang Karajgaonkar
>            Priority: Major
>         Attachments: HIVE-18421.01.patch, HIVE-18421.02.patch, 
> HIVE-18421.03.patch, HIVE-18421.04.patch, HIVE-18421.05.patch, 
> HIVE-18421.06.patch, HIVE-18421.07.patch, HIVE-18421.08.patch
>
>
> In vectorized execution arithmetic operations which cause integer overflows 
> can give wrong results. Issue is reproducible in both Orc and parquet.
> Simple test case to reproduce this issue
> {noformat}
> set hive.vectorized.execution.enabled=true;
> create table parquettable (t1 tinyint, t2 tinyint) stored as parquet;
> insert into parquettable values (-104, 25), (-112, 24), (54, 9);
> select t1, t2, (t1-t2) as diff from parquettable where (t1-t2) < 50 order by 
> diff desc;
> +-------+-----+-------+
> |  t1   | t2  | diff  |
> +-------+-----+-------+
> | -104  | 25  | 127   |
> | -112  | 24  | 120   |
> | 54    | 9   | 45    |
> +-------+-----+-------+
> {noformat}
> When vectorization is turned off the same query produces only one row.



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